Oozing arrogance and entitlement, four posh boys strut their stuff in a picture with more than a whiff of David Cameron’s days as a member of the infamous Bullingdon club at Oxford University.

But you won’t see our Prime Minister in this picture, which is taken from a new film based on the notorious toffs’ brat pack.

And it’s unlikely you’ll see him again in the infamous snap he posed for back in 1987 with fellow Bullingdon members, including a baby-faced Boris Johnson.

Chubby-cheeked in waistcoat and tails, looking like a silver spoon had only just been plucked from his well-fed mouth, our future PM looked awfully pleased with himself back then.

Now, though, our Dave is not so proud of that photograph. Luckily for him, it can no longer be printed in the media after the Oxford-based company which owns copyright withdrew permission in a “policy decision”.

The Bullingdon image is not one the PM would want to propagate, but just as he was no doubt hoping his past would finally be forgotten, comes new movie The Riot Club, to rake it all up again.

The film is based on the play Posh, written by Laura Wade, who insists it is entirely fictitious.

Disgusted: Holliday Grainger as Lauren, a student who is victimised by the Buller boys

But since the characters – played by the likes of Douglas Booth, Freddie Fox and Max Irons – dress like Bullers, trash restaurants like Bullers and exploit women like Bullers...

Well, it’s not hard to see where the inspiration came from.

Only the wealthiest, most privileged, join the ranks of the university’s historic drinking society, founded in 1780 as a hunting and sporting club.

Its members – in the past including Chancellor George Osborne, Princess Diana’s brother Earl Spencer and even Edward VIII – are hand- picked from the ranks of the nobility and landed gentry.

Its ludicrous dickie-bowed uniform costs around £3,000, and one tasteful initiation rite is reported to be setting light to a £50 note in front of a beggar.

Now two former Buller boys have broken ranks to expose the club’s “posh hooliganism”, sense of entitlement and casual misogyny which may go a long way to explain our PM’s character flaws.

Cameron is criticised for overseeing a culture of sexism, with too few women in his Cabinet, and such a dismissive attitude to the opposite sex he told one female Labour MP to “calm down, dear”.

Drinking: The gang have to earn buttons on their sleeves

And the most disturbing revelations of all about the Bullingdon Club is members’ attitudes to women.

“You would treat them like fillies,” admits a 34-year-old former old Etonian, who calls himself Edward to protect his identity.

“Women aren’t allowed to formal dinners but at informal gatherings we would make them get down on all fours like a horse, whinny, and bring out hunting horns and whips. It was ridiculous.”

Unbelievably, he insists: “Yes they were degraded to some extent, but it was all done respectfully and the more they took, the more respect they earned. Half of them are godparents to my children now.”

Now working in agriculture, Edward also tells stories of Bullingdon carnage.

“One night we started drinking the finest whisky and port,” he recalls. “Then we went to an Indian restaurant. The restaurateur couldn’t believe his eyes when the Bullingdon arrived so smartly dressed.

"But by the end the man was crying into his hands – we caused £10,000 of damage.

“It was f***ing carnage. There was curry dripping down the walls. There’s literally a man swinging from the chandelier, and people throwing up poppadoms and trying to smash them like you would clay pigeon shooting.

"Chairs and glassware were broken, and the chandelier ended up in the middle of the table.

“It is posh hooliganism. And we paid the £10,000 that night to buy the restaurateur’s silence. Given to him then and there.

“When it comes to settling up, people stumble over with wads of cash. You would intentionally carry that amount of cash on a night like this.”

Driving: Going wild on one of their notorious ‘blinds’

Perhaps even more disturbing than the violence and destruction, is the sheer arrogance of members’ certainty money will excuse their behaviour.

Edward smugly admits one or two Bullers always step in with oily charm to talk the group out of trouble – completely confident their plummy tones will work wonders on the lower classes, who they believe are all too easy to placate.

He recalls: “You have the staff standing there saying ‘stop’ and two Bullingdon members dressed in their finest saying ‘Don’t worry sir, nothing to fear’.

“Being so polite and charming, the waiters almost believed them. It’s a bit like a comedy sketch.”

An insight into how Bullers felt they could get away with it comes from Riot Club star Booth.

The actor, who met members of old-school drinking clubs like Bullingdon for research purposes, says: “One person said to me that when they entered the dinner, they felt like they were going into Narnia.

"Leaving one world where your morals are and going through this door.

“And you’re protected by the club – the history of the institution, past kings, royalty from other nations. You have the best lawyers. Surely, you’re invincible.”

Edward also reveals outrageous antics are common on Bullingdon “blinds” – nights out, to you and me – and a way for members to earn their “buttons”, literally the three brass buttons on their tailcoats which denote them as full members.

“It’s a bit like getting your colours at a sports match, like man of the match,” he says. It might be naively charming were it not so nauseating.

Another former Bullingdon member, who calls himself Harry, now a 32-year-old London banker, also agreed to speak to us.

He talks about a blind he attended which involved £20,000 of damage – and a dead cow.

“A challenge was laid down between two members as to whether they could tip a cow over,” he remembers.

“One member had a vast estate not far away so at the next dinner the fellow brought a cow along. There was this duel of cow tipping, and at the end, it seemed to be a great idea to drive the cow into the hotel.

“We sneaked in through the fire exit and found a freight lift, put it in, pressed the top floor and waited to see what would happen.

“At the top the doors opened and the cow got wedged and freaked out and kicked the lift to s***. At that point the Bullingdon ran.

“The fire brigade was called and they found a dead cow on the eighth floor. It caused £20,000 of damage.”

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Often a Bullingdon boy’s father will have also have been a member so they are well aware of their offspring’s behaviour.

Incredibly, Edward says, they will not discourage them, but enjoy them like a badge of honour”. He says: “The Bullingdon once came along to my family’s shooting estate in Devon.

“We were drinking vintage Bollinger champagne. You only drink the very finest wines at £5,000 a bottle – as many of these occasions are sponsored by parents.

"Like ‘We have the Bullingdon here this weekend so I have raided the cellar for something special’.”

Unsurprisingly, while they’ll happily trash others’ property, he admits the Bullingdon would be unlikely to trash one of their own’s family pile.

Edward argues the Bullingdon members are just young and naive. Bless their silk-spun socks!

“What you have to remember is you are talking about university kids, no matter the fact you have gone to Eton and own half of Yorkshire – you are young and impressionable,” he says.

Still, The Riot Club’s portrayal of Oxford’s most notorious drinking club will prove to be a horror movie for David Cameron.